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The CanvasRenderingContext2D
.fillRect()
method of the Canvas 2D API draws a filled rectangle at (x, y) position whose size is determined by width and height and whose style is determined by the fillStyle
attribute.
Syntax
void ctx.fillRect(x, y, width, height);
Parameters
-
x
- The x axis of the coordinate for the rectangle starting point.
-
y
- The y axis of the coordinate for the rectangle starting point.
-
width
- The rectangle's width.
-
height
- The rectangle's height.
Examples
Using the fillRect
method
This is just a simple code snippet which uses the fillRect
method.
HTML
<canvas id="canvas"></canvas>
JavaScript
var canvas = document.getElementById("canvas"); var ctx = canvas.getContext("2d"); ctx.fillStyle = "green"; ctx.fillRect(10, 10, 100, 100); // fill the whole canvas // ctx.fillRect(0, 0, canvas.width, canvas.height);
Edit the code below and see your changes update live in the canvas:
Specifications
Specification | Status | Comment |
---|---|---|
WHATWG HTML Living Standard The definition of 'CanvasRenderingContext2D.fillRect' in that specification. |
Living Standard |
Browser compatibility
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|
Basic support | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) |
Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|---|
Basic support | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) |